56161254 has 16 divisors (see below), whose sum is σ = 113481648. Its totient is φ = 18527232.

The previous prime is 56161249. The next prime is 56161271. The reversal of 56161254 is 45216165.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47667 + ... + 48830.

It is an arithmetic number, because the mean of its divisors is an integer number (7092603).

Almost surely, 2^56161254 is an apocalyptic number.

56161254 is an abundant number, since it is smaller than the sum of its proper divisors (57320394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56161254 is a wasteful number, since it uses less digits than its factorization.

56161254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96599.

The product of its digits is 7200, while the sum is 30.

The square root of 56161254 is about 7494.0812645714. The cubic root of 56161254 is about 382.9531082168.

The spelling of 56161254 in words is "fifty-six million, one hundred sixty-one thousand, two hundred fifty-four".